Our Service:1. Can I get some samples?Yes, Sample order is available for quality check and market test .But you have to pay for it .2. What's delivery time?It usually takes about 3-5 working days for small order and 10-15 days for big order .3. What's your payment terms?We usually accept all kinds of payment terms .Such as T/T,L/C, Western Union.Cash.4. What's your warranty terms?We offer 24 months warranty time .5. Do you have the products in stock?Depends on your request ,We have standard models in stock. Some special products and big order will be newly produced according to your order .6. Can I mix different power in one container .Yes ,Different models can be mixed up in one container ,even one order .7. How does your factory do the quality control?Quality is priority ,we always attach the importance to quality control from the beginning to the end of the production .every product will be fully assembled and carefully tested before packing and shipping .8. Can you sell spare parts ?If you are using our products .we can sell spare parts to you . But we couldn't sell the half-finished products.9.I would like to know if you have a partner for export?Yes .We have the right to export and can sell electrical product all over the world..10. Can you make the inverter and soft starter control boards (switchgear)?Yes. We have a lot of experience to design frequency inverter and soft starter cabinet according to your request,and our factory can do soft starter by ourselves.11.Can the inverter connect with computer?Yes .All inverters have built-in RS485 port .andsupport Modbus communication protocol.12.How can I trust you ?Our company has been audited and approved ISO9001,CE.CCC. Assessment report will could be sent to you by e-mail. and we will take all the responsibility once problem during warranty time.